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Thread: Mira Custom Engine code- P0130 - O2 Sensor Circuit Malfunction Bank 1 Sensor 1

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    Default Mira Custom Engine code- P0130 - O2 Sensor Circuit Malfunction Bank 1 Sensor 1

    I am getting the code P0130 which indicates an O2 sensor 1 malfunction. This is the O2 sensor located before the CAT. The car does not run very well, and it is consuming more fuel. With the AC on, it barely moves, so I have to keep the AC off. My mechanic says O2 sensor 1 is bad. I am not too sure. He blames it on poor fuel quality caused while running the car on petrol without mixing hi-octane.

    Although I try to fill up with hi-octane partially when I refuel. But these days hi-octane supply is very erratic and it is rarely available. If anyone has faced a similar problem do share your experience about how it can be fixed.

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    P0130 is o2 circuit malfunctioning error code it means either o2 fuse is bad or something wrong with wiring o2 itself isn't bad

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    Connected it to an ELM327 OBD 2 scanner. I am not getting any data on the 02 sensors in torque app. Also tried obd doctor app, which seems to getting data from the Bank 1 O2 sensor. It's consistently above 0.9V and not cycling between 0.2 to 0.7V like it normally should which indicates a rich fuel mixture. I will try with a different app today to reconfirm the findings. At this point, it is difficult to rule out anything.
    Never argue with an idiot, they drag you down to their level and beat you with experience.

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    Solution
    Replaced the bank 1 O2 sensor 1 and now the car is running fine.
    Never argue with an idiot, they drag you down to their level and beat you with experience.

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